subject

Mathematics, 05.03.2022 14:00 makaylamsikahema

The class scores of a history test have a normal distribution with a mean Mu = 79 and a standard deviation Sigma = 7. If Opal’s test score was 72, which expression would she write to find the z-score of her test score? z = StartFraction 72 minus 79 Over 7 EndFraction z = StartFraction 72 minus 7 Over 7 EndFraction z = StartFraction 79 minus 72 Over 7 EndFraction z = StartFraction 7 minus 79 Over 7 EndFraction.

ansver

Answers: 3

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 15:00

Tell me how you got the it use the figures to answer questions 1and 2. in each diagram, line k is parallel to line l, and line t intersects lines. 1. based on the diagrams, what is the value of x? 2. how would you verify your answer for x?

Answers: 1

question

Mathematics, 21.06.2019 20:00

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Answers: 3

question

Mathematics, 22.06.2019 02:30

Use stokes' theorem to evaluate c f · dr where c is oriented counterclockwise as viewed from above. f(x, y, z) = xyi + 5zj + 7yk, c is the curve of intersection of the plane x + z = 8 and the cylinder x2 + y2 = 81.

Answers: 2

question

Mathematics, 22.06.2019 02:30

Which two angles in the figure are adjacent angles?

Answers: 1

You know the right answer?

The class scores of a history test have a normal distribution with a mean Mu = 79 and a standard dev...

Questions

question

Mathematics, 04.08.2019 18:30

The ratio of red to yellow is 3 to 5. how much red paint should be mixed with 20oz of yellow...

question

Social Studies, 04.08.2019 18:30

Racial and ethnic groups realize that formal schooling is the key to...

question

Social Studies, 04.08.2019 18:30

Should kids be able to drive when they turn thriteen pros and cons...

question

Biology, 04.08.2019 18:30

;the switching on and off of certain genes is called...

question

Mathematics, 04.08.2019 18:30

Issac can run at a speed of 6 km per hour. a kilometer equals 1,000 meters. how fast can issac run in meters per ,begin emphasis, minute, end emphasis...

question

Biology, 04.08.2019 18:30

In a study of schizophrenia researchers measure the activity of the enzyme what are the quartiles...

question

English, 04.08.2019 18:30

According to the passage, what makes alice different from most other little girls?...

question

Mathematics, 04.08.2019 18:30

Carter and his family are driving from atlanta to raleigh. they drive for 2 hours and 45 minutes at an average speed of 60 miles per hour. how far did...

question

Mathematics, 04.08.2019 18:30

Aschool is conducted a canned food drive. their goal is to collected 500 cans of food. they have reached 6/8 of their goal. how many cans of food have...

question

History, 04.08.2019 18:30

Which was a response to the growing problem of alcoholism in america in the late 1800s? a. the temperance movement b. the preservation movement c. th...

question

Mathematics, 04.08.2019 18:30

Casandra is training for 10 mile race. on the first day of training she runs 4 miles, each day after that she adds on 0.5 mile. on what day will casan...

question

Business, 04.08.2019 18:30

What is the slope of the line that passes through (-4,7) (5,2)?...

question

Health, 04.08.2019 18:30

Which is not an open date shown on prepared foods?...

question

Mathematics, 04.08.2019 18:30

There are 254 counties in texas. zane rounds the number of counties to the nearest ten. what is the difference between the actual number of counties a...

question

Mathematics, 04.08.2019 18:30

There were6oranges in the refrigerator joey and his friends ate 3 and 2 third oranges how many oranges were left...

question

Computers and Technology, 04.08.2019 18:30

Which statement is true about the elements of the interface of a presentation program? a. the status bar appears at the top of the page and disp...

question

History, 04.08.2019 18:30

To what degree did trade play a role in the development of two of the following african regions until the 15th century...

question

Chemistry, 04.08.2019 18:30

In the lab, a student fills a dry 100 ml graduated cylinder with 75.0 ml of water. the mass of the water in the graduated cylinder was 75.595 grams at...

question

Chemistry, 04.08.2019 18:30

What trend in atomic radius do you see as you go across a periodic on the periodic table...

question

Mathematics, 04.08.2019 18:30

Madison has to read a book that is 260 pages. her mom says she can take a break when she is 30% finished. how far does she need to read ( this is me...

More questions: Mathematics Another questions